538391010 has 16 divisors (see below), whose sum is σ = 1292138496. Its totient is φ = 143570928.

The previous prime is 538390943. The next prime is 538391017. The reversal of 538391010 is 10193835.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 17946367 = 538391010 / (5 + 3 + 8 + 3 + 9 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (538391017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8973154 + ... + 8973213.

It is an arithmetic number, because the mean of its divisors is an integer number (80758656).

Almost surely, 2^538391010 is an apocalyptic number.

538391010 is an abundant number, since it is smaller than the sum of its proper divisors (753747486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538391010 is a wasteful number, since it uses less digits than its factorization.

538391010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17946377.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 538391010 is about 23203.2542976195. The cubic root of 538391010 is about 813.5156894629.

The spelling of 538391010 in words is "five hundred thirty-eight million, three hundred ninety-one thousand, ten".